they say colonel rial assad was injured when his car was targeted in an explosion. >> they would not confirm reports that his foot actually had to be amputated. he's head of the free syrian army. he is not related to the syrian president. what the video shows is what is said to be the aftermath of that blast. >> also in syria opposition leader tried to resign yesterday but the national coalition's executive committee said no. so he agreed to stay on until the group's next meeting. >> he says powerful countries are using the syrian crisis to advance their own interests. he plans to talk about it at the arab league summit going to happen later this week. >>> and now to a man who has defied threats on his life to return home. >> we're talking about pakistan's former president. he arrived in the port city of karachi on sunday. pervez musharraf spending almost five years in self-imposed exile. >> mainly in london and also dubai. he actually faces criminal charges at home. and get this, the taliban, well, they're threatening to kill him. >> so musharraf arrives in pakistan, says he's willi